madwifi: some misconfigured APs broadcast NULL BSSIDs, which can confuse the STA.

Ignore those when scanning.

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@11795 3c298f89-4303-0410-b956-a3cf2f4a3e73

diff --git a/package/madwifi/patches/358-ignore_broken_bssid.patch b/package/madwifi/patches/358-ignore_broken_bssid.patch
new file mode 100644 (file)
index 0000000..0bae461
--- /dev/null
+++ b/package/madwifi/patches/358-ignore_broken_bssid.patch
@@ -0,0 +1,18 @@
+Some misconfigured APs broadcast NULL BSSIDs, which can confuse the STA
+Ignore those when scanning.
+
+Signed-off-by: Felix Fietkau <nbd@openwrt.org>
+
+--- a/net80211/ieee80211_scan_sta.c
++++ b/net80211/ieee80211_scan_sta.c
+@@ -242,6 +242,10 @@
+       struct ieee80211_scan_entry *ise;
+       int hash;
+ 
++      /* workaround for broken APs that broadcast NULL BSSIDs */
++      if (memcmp(wh->i_addr3, "\x00\x00\x00\x00\x00\x00", 6) == 0)
++              return 0;
++
+       hash = STA_HASH(macaddr);
+       SCAN_STA_LOCK_IRQ(st);
+       LIST_FOREACH(se, &st->st_hash[hash], se_hash)